CN207246100U - A kind of voltage stabilizing current-limiting type centrifugal pump - Google Patents
A kind of voltage stabilizing current-limiting type centrifugal pump Download PDFInfo
- Publication number
- CN207246100U CN207246100U CN201721511030.4U CN201721511030U CN207246100U CN 207246100 U CN207246100 U CN 207246100U CN 201721511030 U CN201721511030 U CN 201721511030U CN 207246100 U CN207246100 U CN 207246100U
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- Prior art keywords
- impeller
- voltage stabilizing
- current
- centrifugal pump
- pump
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Abstract
The utility model discloses a kind of voltage stabilizing current-limiting type centrifugal pump,Including the pump housing,Pump body is provided with pump shaft,Pump shaft left end is connected with impeller by impeller back of the body cap,Impeller port ring is offered on impeller,Impeller left end is provided with water inlet,Impeller upper end is provided with water outlet,Ball bearing and thrust bearing are provided with pump shaft,Seal oil chamber is provided between ball bearing and thrust bearing,Impeller lower end is provided with voltage stabilizing current-limiting apparatus,Pass through the blade wheel structure with choma,Inside the current intake impeller of water inlet,Improve the work efficiency of centrifugal pump,It is reliable and stable that dual bearing structure design ensure that pump shaft runs at high speed,Increase stabilization of equipment performance,Internal voltage stabilizing and current limliting are realized by voltage stabilizing current-limiting apparatus,Pass through screwed pressure regulation push plate,Improve push plate stability,Ensure that internal push plate is straight by screw thread,Current limliting push rod stroke is adjusted by set screw,Stablize so as to fulfill centrifugal pump internal pressure,It is worthy to be popularized.
Description
Technical field
Centrifugal pumping apparatus technical field is the utility model is related to, is specially a kind of voltage stabilizing current-limiting type centrifugal pump.
Background technology
Centrifugal pump is to be rotated using impeller and make water that centrifugal movement occur come work.Water pump is before activation, it is necessary to makes pump
Water is full of in shell and suction hose, then starts motor, pump shaft impeller and water is done high speed rotary motion, centrifugation fortune occurs for water
It is dynamic, impeller outer edge is thrown toward, the runner through volute pump case flows into the pressure pipe road of water pump.
Centrifugal pump can be widely used for slurry of the industries such as electric power, metallurgy, coal, the building materials conveying containing solid particle.Such as fire
Power plant's hydraulic(-ash) sluicing, technics of metallurgy mineral dressing factory pulp conveying, coal washery coal slurry and dense medium conveying etc..When centrifuging pump work, pump needs are put
On land, suction hose is put in water, it is also necessary to fills pump startup.Slush pump and submerged centrifugal pump due to being limited be subject to structure,
Motor needs to be placed on the water surface during work, and pump is into the water, it is therefore necessary to which fixed, otherwise, motor, which drops to, can cause electricity in water
Machine is scrapped.And since long axis length is generally fixed, so pump is installed and used cumbersome, the occasion of application is subject to many limits
System.
Application No. CN201620142076.2, a kind of entitled utility model patent of voltage stabilizing shunting centrifugal pump, including
The pump housing, the impeller for being arranged on pump body, be connected with impeller and the rotating shaft of impeller and connected with pump body
Inlet port and outlet port, the bypass of discharge port are equipped with voltage stabilizing current-limiting apparatus, and the blade of impeller is equipped with the suction of connection pump body
Stomata and the air intake passage connected with suction hole, the shaft core position of shaft is equipped with the venthole outside the connection pump housing and with going out
The outlet passageway of stomata connection.The utility model can effectively adjust the flow of discharge port by voltage stabilizing current-limiting apparatus, and
Gas containing band in slurry is sucked by air intake passage by the suction hole on impeller, and the pump housing is discharged to through outlet passageway and venthole
Outside, separates the gas in slurry, so as to significantly reduce the gas content in slurry, while reduces impeller sky
Situation about turning, improves the work efficiency of centrifugal pump, and has saved the energy, and the output pressure of centrifugal pump can also reach preferable shape
State.
But when in use, the structure design of spring easily shifts when being subject to non-uniform pressure, causes
Voltage stabilizing current-limiting apparatus fails, therefore devises a kind of voltage stabilizing current-limiting type centrifugal pump.
The content of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of voltage stabilizing current-limiting type centrifugal pump, passes through band
There is the blade wheel structure of choma, inside the current intake impeller of water inlet, improve the work efficiency of centrifugal pump, duplex bearing knot
It is reliable and stable that structure design ensure that pump shaft runs at high speed, and increases stabilization of equipment performance, is realized by voltage stabilizing current-limiting apparatus internal steady
Pressure and current limliting, by screwed pressure regulation push plate, improve push plate stability, ensure that internal push plate is straight by screw thread, lead to
Cross set screw and adjust current limliting push rod stroke, stablize so as to fulfill centrifugal pump internal pressure, be worthy to be popularized.
Technical solution is used by the utility model solves its technical problem：A kind of voltage stabilizing current-limiting type centrifugal pump, including
The pump housing, the pump body are provided with pump shaft, and the pump shaft left end is connected with impeller by impeller back of the body cap, is opened up on the impeller
There is impeller port ring, the impeller left end is provided with water inlet, and the impeller upper end is provided with water outlet, is provided with the pump shaft
Ball bearing and thrust bearing, are provided with seal oil chamber between the ball bearing and thrust bearing, the impeller lower end is set
There is voltage stabilizing current-limiting apparatus；
The voltage stabilizing current-limiting apparatus includes sealed tube body, and the sealed tube body is internally provided with internal thread, the seal pipe
Body is internally provided with pressure regulation push plate, and external screw thread is provided with the outside of the pressure regulation push plate, and the pressure regulation push plate lower end connects current limiting
Push rod, is provided with pressure-stabilizing spring on the outside of the current limliting push rod, and the current limliting push rod extends sealed tube body, outside the current limliting push rod
Side is provided with set screw, and fixing bolt is provided with the set screw.
As a kind of preferable technical solution of the utility model, filter screen, the filter screen are provided with the water inlet
It is made of stainless steel material.
As a kind of preferable technical solution of the utility model, oil filler and fuel outlet are provided with the seal oil chamber,
The oil filler in fuel outlet with being provided with sealed valve.
As a kind of preferable technical solution of the utility model, the thrust bearing has bearing end by end cap screw connection
Lid.
As a kind of preferable technical solution of the utility model, it is provided between the current limliting push rod and sealed tube body O-shaped
Sealing ring, is provided with sealing gusset in the O-ring seal.
As a kind of preferable technical solution of the utility model, the pressure regulation push plate upper end is provided with arc section.
Compared with prior art, the beneficial effects of the utility model are：
(1) the utility model inside the current intake impeller of water inlet, is improved by the blade wheel structure with choma
The work efficiency of centrifugal pump, it is reliable and stable that dual bearing structure design ensure that pump shaft runs at high speed, and increases stabilization of equipment performance；
(2) the utility model realizes internal voltage stabilizing and current limliting by voltage stabilizing current-limiting apparatus, passes through screwed pressure regulation
Push plate, improves push plate stability, ensures that internal push plate is straight by screw thread, and current limliting push rod stroke is adjusted by set screw,
Stablize so as to fulfill centrifugal pump internal pressure, be worthy to be popularized.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the voltage stabilizing current-limiting apparatus structure diagram of the utility model.
In figure：The 1- pump housings, 2- pump shafts, 3- impeller back of the body cap, 4- impellers, 5- impeller port rings, 6- water inlets, 7- water outlets, 8-
Ball bearing, 9- thrust bearings, 10- seal oil chambers, 11- voltage stabilizing current-limiting apparatus, 12- sealed tube bodies, 13- internal threads, 14- pressure regulation
Push plate, 15- external screw threads, 16- current limliting push rods, 17- pressure-stabilizing springs, 18- set screws, 19- fixing bolts, 20- filter screens, 21-
Oil filler, 22- fuel outlets, 23- sealed valves, 24- end cap screws, 25- bearing (ball) covers, 26-O type sealing rings, 27- sealed sides
Enclose, 28- arc sections.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
The explanation of following embodiment is refer to the attached drawing, can be to the particular implementation implemented to example the utility model
Example.The direction and position term that the utility model is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", "
It is interior ", " outer ", " side " etc., be only the direction and position with reference to annexed drawings.Therefore, the direction and position term used is to use
To illustrate and understand the utility model, and it is not used to limitation the utility model.
Embodiment：
As shown in Figures 1 and 2, the utility model provides a kind of voltage stabilizing current-limiting type centrifugal pump, including the pump housing 1, the pump
Body 1 is internally provided with pump shaft 2, and pump shaft 2 rotates at a high speed in the case where driving device such as motor drives, and 2 left end of pump shaft passes through leaf
Wheel back of the body cap 3 is connected with impeller 4, offers impeller port ring 5 on the impeller 4, the impeller 4 being connected with pump shaft 2 rotates at a high speed, impeller
Centrifugal force is formed in the impeller port ring 5 set on 4, water is drawn into impeller 4, and is discharged by 5 upper end opening of impeller port ring,
4 left end of impeller is provided with water inlet 6, and 4 upper end of impeller is provided with water outlet 7, ball axis is provided with the pump shaft 2
8 and thrust bearing 9 are held, are set by the bearing at both ends, it is ensured that internal pump shaft 2 is stablized when rotating, and avoids pump shaft 2 from being revolved in high speed
Being deviated when turning, seal oil chamber 10 is provided between the ball bearing 8 and thrust bearing 9, lubricating oil is injected in inside,
It ensure that pump shaft 2 rotates well, 4 lower end of impeller is provided with voltage stabilizing current-limiting apparatus 11, the voltage stabilizing current-limiting apparatus 11 added
Adjust internal pressure and flow；
As shown in Fig. 2, the voltage stabilizing current-limiting apparatus 11 includes sealed tube body 12, the sealed tube body 12 is internally provided with interior
Screw thread 13, the sealed tube body 12 are internally provided with pressure regulation push plate 14, and the outside of pressure regulation push plate 14 is provided with external screw thread 15, interior
Cooperate between screw thread 13 and external screw thread 15 so that pressure regulation push plate 14 moves back and forth in sealed tube body 12 well, described
14 lower end of pressure regulation push plate connection current limiting push rod 16, the outside of current limliting push rod 16 is provided with pressure-stabilizing spring 17, when pressure regulation push plate
After 14 receive water flow inside pressure, pressure promotes pressure regulation push plate 14 to move, and discharges internal pressure, reaches pressure and adjusts work
With the current limliting push rod 16 extends sealed tube body 12, and the outside of current limliting push rod 16 is provided with set screw 18, the positioning
Fixing bolt 19 is provided with screw 18, and the haul distance of current limliting push rod 16 is adjusted by the location determination of set screw 18
Position of the set screw 18 on current limliting push rod 16, limits water flow inside.
As shown in Figure 1, being provided with filter screen 20 in the water inlet 6, the filter screen 20 is made of stainless steel material,
It ensure that free from admixture in the water into inside water pump, avoid impurity from entering in the pump housing 1, improve the service life of the pump housing 1.
As shown in Figure 1, being provided with oil filler 21 and fuel outlet 22 on the seal oil chamber 10, the oil filler 21 is with draining the oil
Sealed valve 23 is provided with mouthfuls 22, can internally be added by oil filler 21 and fuel outlet 22 and more oil change, raising
The rotary lubrication of pump shaft 2.
As shown in Figure 1, the thrust bearing 9 is connected with bearing (ball) cover 25 by end cap screw 24, bearing arrangement is protected.
As shown in Fig. 2, O-ring seal 26 is provided between the current limliting push rod 16 and sealed tube body 12, the O-shaped sealing
Sealing gusset 27 is provided with circle 26, it is ensured that internal environment seals, and avoids the occurrence of the situation of leak.
As shown in Fig. 2, 14 upper end of pressure regulation push plate is provided with arc section 28, connecing for current and pressure regulation push plate 14 is increased
Contacting surface is accumulated so that pressure is more evenly distributed in pressure regulation push plate 14.
In conclusion the utility model is mainly characterized by：
(1) the utility model inside the current intake impeller of water inlet, is improved by the blade wheel structure with choma
The work efficiency of centrifugal pump, it is reliable and stable that dual bearing structure design ensure that pump shaft runs at high speed, and increases stabilization of equipment performance；
(2) the utility model realizes internal voltage stabilizing and current limliting by voltage stabilizing current-limiting apparatus, passes through screwed pressure regulation
Push plate, improves push plate stability, ensures that internal push plate is straight by screw thread, and current limliting push rod stroke is adjusted by set screw,
Stablize so as to fulfill centrifugal pump internal pressure, be worthy to be popularized.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (6)
- A kind of 1. voltage stabilizing current-limiting type centrifugal pump, it is characterised in that：Including the pump housing (1), the pump housing (1) is internally provided with pump shaft (2), pump shaft (2) left end is connected with impeller (4) by impeller back of the body cap (3), and impeller port ring is offered on the impeller (4) (5), impeller (4) left end is provided with water inlet (6), and impeller (4) upper end is provided with water outlet (7), the pump shaft (2) On be provided with ball bearing (8) and thrust bearing (9), be provided with Seal Oil between the ball bearing (8) and thrust bearing (9) Chamber (10), impeller (4) lower end are provided with voltage stabilizing current-limiting apparatus (11)；The voltage stabilizing current-limiting apparatus (11) includes sealed tube body (12), and the sealed tube body (12) is internally provided with internal thread (13), the sealed tube body (12) is internally provided with pressure regulation push plate (14), and external screw thread is provided with the outside of the pressure regulation push plate (14) (15), pressure regulation push plate (14) the lower end connection current limiting push rod (16), current limliting push rod (16) outside are provided with voltage stabilizing bullet Spring (17), the current limliting push rod (16) extend sealed tube body (12), set screw are provided with the outside of the current limliting push rod (16) (18), it is provided with fixing bolt (19) in the set screw (18).
- A kind of 2. voltage stabilizing current-limiting type centrifugal pump according to claim 1, it is characterised in that：Set in the water inlet (6) There is filter screen (20), the filter screen (20) is made of stainless steel material.
- A kind of 3. voltage stabilizing current-limiting type centrifugal pump according to claim 1, it is characterised in that：Set on the seal oil chamber (10) Oil filler (21) and fuel outlet (22) are equipped with, the oil filler (21) in fuel outlet (22) with being provided with sealed valve (23).
- A kind of 4. voltage stabilizing current-limiting type centrifugal pump according to claim 1, it is characterised in that：The thrust bearing (9) passes through End cap screw (24) is connected with bearing (ball) cover (25).
- A kind of 5. voltage stabilizing current-limiting type centrifugal pump according to claim 1, it is characterised in that：The current limliting push rod (16) with it is close O-ring seal (26) is provided between tube sealing body (12), sealing gusset (27) is provided with the O-ring seal (26).
- A kind of 6. voltage stabilizing current-limiting type centrifugal pump according to claim 1, it is characterised in that：Pressure regulation push plate (14) upper end It is provided with arc section (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721511030.4U CN207246100U (en) | 2017-11-14 | 2017-11-14 | A kind of voltage stabilizing current-limiting type centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721511030.4U CN207246100U (en) | 2017-11-14 | 2017-11-14 | A kind of voltage stabilizing current-limiting type centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207246100U true CN207246100U (en) | 2018-04-17 |
Family
ID=61883114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721511030.4U Expired - Fee Related CN207246100U (en) | 2017-11-14 | 2017-11-14 | A kind of voltage stabilizing current-limiting type centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207246100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555159A (en) * | 2020-12-07 | 2021-03-26 | 李家飞 | Energy-saving steady voltage water pump |
-
2017
- 2017-11-14 CN CN201721511030.4U patent/CN207246100U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555159A (en) * | 2020-12-07 | 2021-03-26 | 李家飞 | Energy-saving steady voltage water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20181114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |